adblock: update 1.2.1

* small optimizations & cosmetics

Signed-off-by: Dirk Brenken <dev@brenken.org>
This commit is contained in:
Dirk Brenken 2016-06-14 22:25:02 +02:00
parent 8ab3d8bdc2
commit 672dd10b10
4 changed files with 71 additions and 62 deletions

View File

@ -7,7 +7,7 @@
include $(TOPDIR)/rules.mk
PKG_NAME:=adblock
PKG_VERSION:=1.2.0
PKG_VERSION:=1.2.1
PKG_RELEASE:=1
PKG_LICENSE:=GPL-3.0+
PKG_MAINTAINER:=Dirk Brenken <dev@brenken.org>

View File

@ -118,6 +118,7 @@ f_envload()
adb_dnsprefix="adb_list"
adb_iptv4="$(which iptables)"
adb_iptv6="$(which ip6tables)"
adb_uhttpd="$(which uhttpd)"
adb_fetch="$(which wget)"
adb_uci="$(which uci)"
adb_date="$(which date)"
@ -181,7 +182,7 @@ f_envload()
rc=-1
f_log "please enable the local dnsmasq instance to use adblock"
f_exit
elif [ -z "$(${adb_iptv4} -vnL | grep -Fo "DROP")" ]
elif [ -z "$(${adb_iptv4} -w -vnL | grep -Fo "DROP")" ]
then
rc=-1
f_log "please enable the local firewall to use adblock"
@ -197,7 +198,7 @@ f_envload()
if [ -n "${check}" ]
then
rc=-1
f_log "please whitelist '${adb_nullipv4}' in your bcp38 configuration to use default adblock null-ip"
f_log "please whitelist '${adb_nullipv4}' in your bcp38 configuration to use your adblock null-ip"
f_exit
fi
fi
@ -348,74 +349,71 @@ f_envcheck()
adb_dnsformat="awk -v ipv6="${adb_nullipv6}" '{print \"address=/\"\$0\"/\"ipv6}'"
fi
# check ipv4/iptables configuration
# check volatile iptables configuration
#
if [ -n "${adb_wanif4}" ]
then
if [ $((adb_forcedns)) -eq 1 ] && [ -n "${adb_landev4}" ]
check="$(${adb_iptv4} -w -vnL | grep -Fo "adb-")"
if [ -z "${check}" ]
then
f_firewall "IPv4" "nat" "prerouting_rule" "prerouting_rule" "0" "dns" "-i ${adb_landev4} -p udp --dport 53 -j DNAT --to-destination ${adb_ipv4}:53"
f_firewall "IPv4" "nat" "prerouting_rule" "prerouting_rule" "0" "dns" "-i ${adb_landev4} -p tcp --dport 53 -j DNAT --to-destination ${adb_ipv4}:53"
fi
f_firewall "IPv4" "nat" "prerouting_rule" "adb-nat" "1" "nat" "-d ${adb_nullipv4} -p tcp --dport 80 -j DNAT --to-destination ${adb_ipv4}:${adb_nullport}"
f_firewall "IPv4" "nat" "prerouting_rule" "adb-nat" "2" "nat" "-d ${adb_nullipv4} -p tcp --dport 443 -j DNAT --to-destination ${adb_ipv4}:${adb_nullportssl}"
f_firewall "IPv4" "filter" "forwarding_rule" "adb-fwd" "1" "fwd" "-d ${adb_nullipv4} -p tcp -j REJECT --reject-with tcp-reset"
f_firewall "IPv4" "filter" "forwarding_rule" "adb-fwd" "2" "fwd" "-d ${adb_nullipv4} -j REJECT --reject-with icmp-host-unreachable"
f_firewall "IPv4" "filter" "output_rule" "adb-out" "1" "out" "-d ${adb_nullipv4} -p tcp -j REJECT --reject-with tcp-reset"
f_firewall "IPv4" "filter" "output_rule" "adb-out" "2" "out" "-d ${adb_nullipv4} -j REJECT --reject-with icmp-host-unreachable"
if [ "${fw_done}" = "true" ]
then
f_log "created volatile IPv4 firewall ruleset"
fw_done="false"
if [ $((adb_forcedns)) -eq 1 ] && [ -n "${adb_landev4}" ]
then
f_firewall "IPv4" "nat" "prerouting_rule" "prerouting_rule" "0" "dns" "-i ${adb_landev4} -p udp --dport 53 -j DNAT --to-destination ${adb_ipv4}:53"
f_firewall "IPv4" "nat" "prerouting_rule" "prerouting_rule" "0" "dns" "-i ${adb_landev4} -p tcp --dport 53 -j DNAT --to-destination ${adb_ipv4}:53"
fi
f_firewall "IPv4" "nat" "prerouting_rule" "adb-nat" "1" "nat" "-p tcp --dport 80 -j DNAT --to-destination ${adb_ipv4}:${adb_nullport}"
f_firewall "IPv4" "nat" "prerouting_rule" "adb-nat" "2" "nat" "-p tcp --dport 443 -j DNAT --to-destination ${adb_ipv4}:${adb_nullportssl}"
f_firewall "IPv4" "filter" "forwarding_rule" "adb-fwd" "1" "fwd" "-p tcp -j REJECT --reject-with tcp-reset"
f_firewall "IPv4" "filter" "forwarding_rule" "adb-fwd" "2" "fwd" "-j REJECT --reject-with icmp-host-unreachable"
f_firewall "IPv4" "filter" "output_rule" "adb-out" "1" "out" "-p tcp -j REJECT --reject-with tcp-reset"
f_firewall "IPv4" "filter" "output_rule" "adb-out" "2" "out" "-j REJECT --reject-with icmp-host-unreachable"
fi
fi
# check ipv6/ip6tables configuration
#
if [ -n "${adb_wanif6}" ]
then
if [ $((adb_forcedns)) -eq 1 ] && [ -n "${adb_landev6}" ]
check="$(${adb_iptv6} -w -vnL | grep -Fo "adb-")"
if [ -z "${check}" ]
then
f_firewall "IPv6" "nat" "PREROUTING" "PREROUTING" "0" "dns" "-i ${adb_landev6} -p udp --dport 53 -j DNAT --to-destination [${adb_ipv6}]:53"
f_firewall "IPv6" "nat" "PREROUTING" "PREROUTING" "0" "dns" "-i ${adb_landev6} -p tcp --dport 53 -j DNAT --to-destination [${adb_ipv6}]:53"
fi
f_firewall "IPv6" "nat" "PREROUTING" "adb-nat" "1" "nat" "-d ${adb_nullipv6} -p tcp --dport 80 -j DNAT --to-destination [${adb_ipv6}]:${adb_nullport}"
f_firewall "IPv6" "nat" "PREROUTING" "adb-nat" "2" "nat" "-d ${adb_nullipv6} -p tcp --dport 443 -j DNAT --to-destination [${adb_ipv6}]:${adb_nullportssl}"
f_firewall "IPv6" "filter" "forwarding_rule" "adb-fwd" "1" "fwd" "-d ${adb_nullipv6} -p tcp -j REJECT --reject-with tcp-reset"
f_firewall "IPv6" "filter" "forwarding_rule" "adb-fwd" "2" "fwd" "-d ${adb_nullipv6} -j REJECT --reject-with icmp6-addr-unreachable"
f_firewall "IPv6" "filter" "output_rule" "adb-out" "1" "out" "-d ${adb_nullipv6} -p tcp -j REJECT --reject-with tcp-reset"
f_firewall "IPv6" "filter" "output_rule" "adb-out" "2" "out" "-d ${adb_nullipv6} -j REJECT --reject-with icmp6-addr-unreachable"
if [ "${fw_done}" = "true" ]
then
f_log "created volatile IPv6 firewall ruleset"
fw_done="false"
if [ $((adb_forcedns)) -eq 1 ] && [ -n "${adb_landev6}" ]
then
f_firewall "IPv6" "nat" "PREROUTING" "PREROUTING" "0" "dns" "-i ${adb_landev6} -p udp --dport 53 -j DNAT --to-destination [${adb_ipv6}]:53"
f_firewall "IPv6" "nat" "PREROUTING" "PREROUTING" "0" "dns" "-i ${adb_landev6} -p tcp --dport 53 -j DNAT --to-destination [${adb_ipv6}]:53"
fi
f_firewall "IPv6" "nat" "PREROUTING" "adb-nat" "1" "nat" "-p tcp --dport 80 -j DNAT --to-destination [${adb_ipv6}]:${adb_nullport}"
f_firewall "IPv6" "nat" "PREROUTING" "adb-nat" "2" "nat" "-p tcp --dport 443 -j DNAT --to-destination [${adb_ipv6}]:${adb_nullportssl}"
f_firewall "IPv6" "filter" "forwarding_rule" "adb-fwd" "1" "fwd" "-p tcp -j REJECT --reject-with tcp-reset"
f_firewall "IPv6" "filter" "forwarding_rule" "adb-fwd" "2" "fwd" "-j REJECT --reject-with icmp6-addr-unreachable"
f_firewall "IPv6" "filter" "output_rule" "adb-out" "1" "out" "-p tcp -j REJECT --reject-with tcp-reset"
f_firewall "IPv6" "filter" "output_rule" "adb-out" "2" "out" "-j REJECT --reject-with icmp6-addr-unreachable"
fi
fi
if [ "${fw_done}" = "true" ]
then
f_log "created volatile firewall rulesets"
fw_done="false"
fi
# check volatile adblock uhttpd instance configuration
# check volatile uhttpd instance configuration
#
check="$(pgrep -f "uhttpd -h /www/adblock")"
if [ -z "${check}" ]
then
if [ -n "${adb_wanif4}" ] && [ -n "${adb_wanif6}" ]
then
uhttpd -h "/www/adblock" -N 25 -T 1 -k 0 -t 0 -R -D -S -E "/index.html" -p "${adb_ipv4}:${adb_nullport}" -p "[${adb_ipv6}]:${adb_nullport}"
uhttpd -h "/www/adblock" -N 25 -T 0 -k 0 -t 0 -R -D -S -E "/index.html" -p "${adb_ipv4}:${adb_nullportssl}" -p "[${adb_ipv6}]:${adb_nullportssl}"
f_uhttpd "adbIPv4+6_80" "1" "-p ${adb_ipv4}:${adb_nullport} -p [${adb_ipv6}]:${adb_nullport}"
f_uhttpd "adbIPv4+6_443" "0" "-p ${adb_ipv4}:${adb_nullportssl} -p [${adb_ipv6}]:${adb_nullportssl}"
elif [ -n "${adb_wanif4}" ]
then
uhttpd -h "/www/adblock" -N 25 -T 1 -k 0 -t 0 -R -D -S -E "/index.html" -p "${adb_ipv4}:${adb_nullport}"
uhttpd -h "/www/adblock" -N 25 -T 0 -k 0 -t 0 -R -D -S -E "/index.html" -p "${adb_ipv4}:${adb_nullportssl}"
f_uhttpd "adbIPv4_80" "1" "-p ${adb_ipv4}:${adb_nullport}"
f_uhttpd "adbIPv4_443" "0" "-p ${adb_ipv4}:${adb_nullportssl}"
else
uhttpd -h "/www/adblock" -N 25 -T 1 -k 0 -t 0 -R -D -S -E "/index.html" -p "[${adb_ipv6}]:${adb_nullport}"
uhttpd -h "/www/adblock" -N 25 -T 0 -k 0 -t 0 -R -D -S -E "/index.html" -p "[${adb_ipv6}]:${adb_nullportssl}"
f_uhttpd "adbIPv6_80" "1" "-p [${adb_ipv6}]:${adb_nullport}"
f_uhttpd "adbIPv6_443" "0" "-p [${adb_ipv6}]:${adb_nullportssl}"
fi
rc=${?}
if [ $((rc)) -eq 0 ]
if [ "${uhttpd_done}" = "true" ]
then
f_log "created volatile uhttpd instances"
else
f_log "failed to initialize volatile uhttpd instances" "${rc}"
f_exit
uhttpd_done="false"
fi
fi
@ -501,6 +499,24 @@ f_firewall()
fi
}
# f_uhttpd: start uhttpd instances
#
f_uhttpd()
{
local realm="${1}"
local timeout="${2}"
local ports="${3}"
"${adb_uhttpd}" -h "/www/adblock" -N 25 -T "${timeout}" -r "${realm}" -k 0 -t 0 -R -D -S -E "/index.html" ${ports}
rc=${?}
if [ $((rc)) -eq 0 ]
then
uhttpd_done="true"
else
f_log "failed to initialize volatile uhttpd instance (${realm})" "${rc}"
f_exit
fi
}
# f_log: log messages to stdout and syslog
#
f_log()
@ -576,7 +592,7 @@ f_rmconfig()
{
local src_name
local rm_done="${1}"
for src_name in ${rm_done}
do
src_name="${src_name#*.}"
@ -633,10 +649,7 @@ f_exit()
f_log "domain adblock processing finished successfully (${adb_scriptver}, ${adb_sysver}, ${lastrun})"
elif [ $((rc)) -gt 0 ]
then
if [ -n "$(${adb_uci} -q changes adblock)" ]
then
"${adb_uci}" -q revert "adblock"
fi
"${adb_uci}" -q revert "adblock"
f_log "domain adblock processing failed (${adb_scriptver}, ${adb_sysver}, ${lastrun})"
else
rc=0

View File

@ -28,7 +28,7 @@ fi
# get current directory and set script/config version
#
adb_scriptdir="${0%/*}"
adb_scriptver="1.2.0"
adb_scriptver="1.2.1"
adb_mincfgver="2.2"
# source in adblock function library
@ -99,7 +99,7 @@ do
if [ -z "${url_time}" ]
then
url_time="$(date)"
f_log " online timestamp not received, current date will be used"
f_log " no online timestamp received"
fi
if [ -z "${list_time}" ] || [ "${list_time}" != "${url_time}" ] || [ ! -r "${adb_dnsfile}" ] ||\
([ "${backup_ok}" = "true" ] && [ ! -r "${adb_dir_backup}/${adb_dnsprefix}.${src_name}.gz" ])

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@ -2,12 +2,11 @@
#
START=99
PATH="/usr/sbin:/usr/bin:/sbin:/bin"
EXTRA_COMMANDS="toggle cfgup"
EXTRA_HELP=" toggle Toggle adblocking 'on' or 'off'
cfgup Update the adblock configuration file"
PATH="/usr/sbin:/usr/bin:/sbin:/bin"
adb_debug=0
if [ $((adb_debug)) -eq 0 ]
then
@ -74,7 +73,7 @@ reload()
stop()
{
cfg_check="$(${adb_uci} -q get "adblock.global.adb_overall_count")"
if [ -n "${cfg_check}" ]
if [ -n "${cfg_check}" ] && [ -z "${restart}" ]
then
. "/lib/functions.sh"
config_load adblock
@ -83,12 +82,9 @@ stop()
"${adb_uci}" -q delete "adblock.global.adb_overall_count"
"${adb_uci}" -q delete "adblock.global.adb_percentage"
"${adb_uci}" -q delete "adblock.global.adb_lastrun"
if [ -z "${restart}" ]
then
"${adb_uci}" -q commit "adblock"
fi
"${adb_uci}" -q commit "adblock"
fi
fw_check="$(iptables -w -t nat -nL | grep -F "adb-")"
fw_check="$(iptables -w -vnL | grep -Fo "adb-")"
if [ -n "${fw_check}" ] && [ -z "${restart}" ]
then
iptables-save -t nat | grep -Fv -- "adb-" | iptables-restore